<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <script src="1.js" type="module"></script>
    <title>123</title>
  </head>
  <body>
    <div id="app">
      <input type="text" name="title" value="houdunren.com" />
      <h2>baidu.com</h2>
      <h1>
        <span>man</span>
      </h1>
    </div>
  </body>
</html>
